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$293+ Cheap flights from Michigan to Porto (OPO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — OPO
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Michigan to Porto

Keep the following information in mind while searching for Michigan to Porto flight deals. Data was last updated May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$565
(United)

One-way from

$293
(Kiwi.com)

Popular in

April

Cheapest in

January

Average price

$866
Provider with most accurate pricing for Detroit (DTT)-Porto flight deals.
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Provider most trusted by Cheapflights users for Detroit (DTT)-Porto flights.
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From Michigan to Porto
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One-way flight from Michigan to Porto
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Highest demand for flights based on searches. 18% potential increase in price ($211 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($90 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Michigan to Porto

Cheapest flights from Michigan to Porto
Explore the most affordable flight options available from Michigan to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This United deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:00 amORD - OPO
1 stop21h 45mMultiple Airlines
Thu 8/2812:10 pmOPO - ORD
1 stop32h 41mMultiple Airlines
Deal found 4/30$565
This Air Canada deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/173:35 pmORD - OPO
1 stop11h 45mAir Canada
Wed 9/246:00 amOPO - ORD
2 stops20h 11mAir Canada
Deal found 5/1$569
This Ovago deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/174:30 pmORD - OPO
1 stop33h 05mBritish Airways
Wed 9/248:15 amOPO - ORD
1 stop12h 00mBritish Airways
Deal found 5/1$573
This oojo deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/206:15 pmORD - OPO
1 stop14h 45mTAP AIR PORTUGAL
Fri 9/269:00 amOPO - ORD
1 stop13h 30mTAP AIR PORTUGAL
Deal found 4/30$577
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/133:35 pmORD - OPO
1 stop11h 45mUnited Airlines
Wed 8/209:35 amOPO - ORD
1 stop13h 25mUnited Airlines
Deal found 5/1$583
This Cheapflightsfares deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1310:30 pmORD - OPO
2 stops18h 50mLufthansa
Tue 11/111:45 pmOPO - ORD
2 stops29h 40mLufthansa
Deal found 5/1$594
This Gurufare deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/267:00 amORD - OPO
2 stops22h 00mScandinavian Airlines
Fri 9/55:55 pmOPO - ORD
1 stop28h 15mScandinavian Airlines
Deal found 5/1$598
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/104:30 pmORD - OPO
1 stop13h 10mAmerican Airlines
Tue 10/218:15 amOPO - ORD
2 stops19h 10mAmerican Airlines
Deal found 4/29$607
This oojo deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1811:25 amORD - OPO
1 stop16h 20mTurkish Airlines
Tue 10/710:50 amOPO - ORD
1 stop28h 50mTurkish Airlines
Deal found 4/30$610
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/251:00 pmMDW - OPO
2 stops15h 30mDelta
Tue 12/25:00 amOPO - MDW
2 stops19h 36mDelta
Deal found 4/30$618
This CrystalTravel deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/272:20 pmORD - OPO
1 stop15h 05mSWISS
Thu 9/48:40 amOPO - ORD
1 stop13h 15mSWISS
Deal found 4/30$625
This Expedia deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/94:30 pmORD - OPO
1 stop17h 25mIberia
Wed 7/164:35 pmOPO - ORD
2 stops27h 55mIberia
Deal found 4/30$646

Cheapflights Fare Finder

Customize your flight search to find flights from Michigan to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 1, 2025.
Use the filters below to find and compare flights from Michigan to Porto that are best for you.

Fly from

Michigan

Fly to

Porto

Route

Depart

Return

Price

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 8/20

6:00 am-9:45 am

1 stop21h 45m

Porto

Thu 8/28

12:10 pm-2:51 pm

1 stop32h 41m

$565

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 9/17

3:35 pm-9:20 am

1 stop11h 45m

Porto

Wed 9/24

6:00 am-8:11 pm

2 stops20h 11m

$569

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 9/17

4:30 pm-7:35 am

1 stop33h 05m

Porto

Wed 9/24

8:15 am-2:15 pm

1 stop12h 00m

$573

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Sat 9/20

6:15 pm-3:00 pm

1 stop14h 45m

Porto

Fri 9/26

9:00 am-4:30 pm

1 stop13h 30m

$577

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 8/13

3:35 pm-9:20 am

1 stop11h 45m

Porto

Wed 8/20

9:35 am-5:00 pm

1 stop13h 25m

$583

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Mon 10/13

10:30 pm-11:20 pm

2 stops18h 50m

Porto

Tue 11/11

1:45 pm-1:25 pm

2 stops29h 40m

$594

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 8/26

7:00 am-11:00 am

2 stops22h 00m

Porto

Fri 9/5

5:55 pm-4:10 pm

1 stop28h 15m

$598

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Fri 10/10

4:30 pm-11:40 am

1 stop13h 10m

Porto

Tue 10/21

8:15 am-9:25 pm

2 stops19h 10m

$607

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Thu 9/18

11:25 am-9:45 am

1 stop16h 20m

Porto

Tue 10/7

4:50 pm-9:40 am

1 stop22h 50m

$610

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Wed 8/13

5:59 pm-3:30 pm

2 stops15h 31m

Porto

Wed 8/20

6:15 am-6:03 pm

2 stops17h 48m

$639

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 39 results
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Best time to book a flight from Michigan to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Michigan with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Michigan to Porto

What is the cheapest month to book a flight from Michigan to Porto?

Currently, January is the cheapest month in which you can book a flight from Michigan to Porto (average of $523). Flying from Michigan to Porto in June is currently the most expensive (average of $1,071). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MI to OPO?

Find hourly flight availability from Michigan to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Michigan to Porto as you normally would.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated May 1, 2025.
Read reviews from past customers who have flown Delta, Porter Airlines and KLM from Michigan to Porto. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Porter Airlines
8.0
Very good
285 reviews
Delta
8.0
Very good
7,934 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
781 reviews
Delta
8.0
Very good
7,934 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Michigan to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Michigan?

    Porto (OPO) is the airport you will fly into if you book a flight from Michigan to Porto. It is only a 6.8 mi journey from Porto (OPO) to Porto’s city center.

  • What are the cheapest airlines to fly from Michigan to Porto one-way?

    One-way options have recently been found by users for as low as $304 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include British Airways from $479 and American Airlines from $485 one-way.

  • What are the most popular routes from Michigan to Porto?

    While some choose either Chicago Midway - Porto or Grand Rapids Gerald R. Ford Intl - Porto, Chicago O'Hare Intl - Porto is the most popular route from Michigan to Porto.

  • Can I find deals for flights from Michigan to Porto that include hotel bookings?

    Yes. In addition to deals on Michigan to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Michigan to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Michigan to Porto.

  • Can I find deals for business class flights from Michigan to Porto?

    Yes. Cheapflights offers flight deals from Michigan to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Michigan to Porto?

    Currently, January is the cheapest month in which you can book a flight from Michigan to Porto (average of $523). Flying from Michigan to Porto in June is currently the most expensive (average of $1,071). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Michigan?

Book flights to Michigan if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
Arcos de Valdevez

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Alternative routes for Michigan to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Michigan to Porto

Discover the top 3 airlines that operate flights from Michigan to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$568Average$963FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$811Average$1,304FlexibilityNo cancel feeOn-time69%
DeltaCheapest$848Average$1,142FlexibilityNo cancel feeOn-timeN/A

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